Measurement of the Cross Sections at Center-of-mass Energies From 2.3864 to 3.0200 GeV

Ablikim, M.; Achasov, M.N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Amoroso, A.; An, Q.; Bai, Y.; Bakina, O.; Baldini Ferroli, R.; Balossino, I.; Ban, Y.; Begzsuren, K.; Bennett, J.V.; Berger, N.; Bertani, M.; Bettoni, D.; Bianchi, F.; Biernat, J.; Bloms, J.; Bortone, A.; Boyko, I.; Briere, R.A.; Cai, H.; Cai, X.; Calcaterra, A.; Cao, G.F.; Cao, N.; Cetin, S.A.; Chang, J.F.; Chang, W.L.; Chelkov, G.; Chen, D.Y.; Chen, G.; Chen, H.S.; Chen, M.L.; Chen, S.J.; Chen, X.R.; Chen, Y.B.; Cheng, W.; Cibinetto, G.; Cossio, F.; Cui, X.F.; Dai, H.L.; Dai, J.P.; Dai, X.C.; Dbeyssi, A.; de Boer, R.B.; Dedovich, D.; Deng, Z.Y.; Denig, A.; Denysenko, I.; Destefanis, M.; De Mori, F.; Ding, Y.; Dong, C.; Dong, J.; Dong, L.Y.; Dong, M.Y.; Du, S.X.; Fang, J.; Fang, S.S.; Fang, Y.; Farinelli, R.; Fava, L.; Feldbauer, F.; Felici, G.; Feng, C.Q.; Fritsch, M.; Fu, C.D.; Fu, Y.; Gao, X.L.; Gao, Y.; Gao, Y.; Gao, Y.G.; Garzia, I.; Gersabeck, E.M.; Gilman, A.; Goetzen, K.; Gong, L.; Gong, W.X.; Gradl, W.; Greco, M.; Gu, L.M.; Gu, M.H.; Gu, S.; Gu, Y.T.; Guan, C.Y.; Guo, A.Q.; Guo, L.B.; Guo, R.P.; Guo, Y.P.; Guo, Y.P.; Guskov, A.; Han, S.; Han, T.T.; Han, T.Z.; Hao, X.Q.; Harris, F.A.; He, K.L.; Heinsius, F.H.; Held, T.; Heng, Y.K.; Himmelreich, M.; Holtmann, T.; Hou, Y.R.; Hou, Z.L.; Hu, H.M.; Hu, J.F.; Hu, T.; Hu, Y.; Huang, G.S.; Huang, L.Q.; Huang, X.T.; Huang, Z.; Huesken, N.; Hussain, T.; Ikegami Andersson, W.; Imoehl, W.; Irshad, M.; Jaeger, S.; Janchiv, S.; Ji, Q.; Ji, Q.P.; Ji, X.B.; Ji, X.L.; Jiang, H.B.; Jiang, X.S.; Jiang, X.Y.; Jiao, J.B.; Jiao, Z.; Jin, S.; Jin, Y.; Johansson, T.; Kalantar-Nayestanaki, N.; Kang, X.S.; Kappert, R.; Kavatsyuk, M.; Ke, B.C.; Keshk, I.K.; Khoukaz, A.; Kiese, P.; Kiuchi, R.; Kliemt, R.; Koch, L.; Kolcu, O.B.; Kopf, B.; Kuemmel, M.; Kuessner, M.; Kupsc, A.; Kurth, M.G.; Kühn, W.; Lane, J.J.; Lange, J.S.; Larin, P.; Lavezzi, L.; Leithoff, H.; Lellmann, M.; Lenz, T.; Li, C.; Li, C.H.; Li, Cheng; Li, D.M.; Li, F.; Li, G.; Li, H.B.; Li, H.J.; Li, J.L.; Li, J.Q.; Li, Ke; Li, L.K.; Li, Lei; Li, P.L.; Li, P.R.; Li, S.Y.; Li, W.D.; Li, W.G.; Li, X.H.; Li, X.L.; Li, Z.B.; Li, Z.Y.; Liang, H.; Liang, H.; Liang, Y.F.; Liang, Y.T.; Liao, L.Z.; Libby, J.; Lin, C.X.; Liu, B.; Liu, B.J.; Liu, C.X.; Liu, D.; Liu, D.Y.; Liu, F.H.; Liu, Fang; Liu, Feng; Liu, H.B.; Liu, H.M.; Liu, Huanhuan; Liu, Huihui; Liu, J.B.; Liu, J.Y.; Liu, K.; Liu, K.Y.; Liu, Ke; Liu, L.; Liu, Q.; Liu, S.B.; Liu, Shuai; Liu, T.; Liu, X.; Liu, Y.B.; Liu, Z.A.; Liu, Z.Q.; Long, Y.F.; Lou, X.C.; Lu, F.X.; Lu, H.J.; Lu, J.D.; Lu, J.G.; Lu, X.L.; Lu, Y.; Lu, Y.P.; Luo, C.L.; Luo, M.X.; Luo, P.W.; Luo, T.; Luo, X.L.; Lusso, S.; Lyu, X.R.; Ma, F.C.; Ma, H.L.; Ma, L.L.; Ma, M.M.; Ma, Q.M.; Ma, R.Q.; Ma, R.T.; Ma, X.N.; Ma, X.X.; Ma, X.Y.; Ma, Y.M.; Maas, F.E.; Maggiora, M.; Maldaner, S.; Malde, S.; Malik, Q.A.; Mangoni, A.; Mao, Y.J.; Mao, Z.P.; Marcello, S.; Meng, Z.X.; Messchendorp, J.G.; Mezzadri, G.; Min, T.J.; Mitchell, R.E.; Mo, X.H.; Mo, Y.J.; Muchnoi, N.Yu.; Muramatsu, H.; Nakhoul, S.; Nefedov, Y.; Nerling, F.; Nikolaev, I.B.; Ning, Z.; Nisar, S.; Olsen, S.L.; Ouyang, Q.; Pacetti, S.; Pan, X.; Pan, Y.; Pathak, A.; Patteri, P.; Pelizaeus, M.; Peng, H.P.; Peters, K.; Pettersson, J.; Ping, J.L.; Ping, R.G.; Pitka, A.; Poling, R.; Prasad, V.; Qi, H.; Qi, H.R.; Qi, M.; Qi, T.Y.; Qian, S.; Qian, W.B.; Qian, Z.; Qiao, C.F.; Qin, L.Q.; Qin, X.P.; Qin, X.S.; Qin, Z.H.; Qiu, J.F.; Qu, S.Q.; Rashid, K.H.; Ravindran, K.; Redmer, C.F.; Rivetti, A.; Rodin, V.; Rolo, M.; Rong, G.; Rosner, Ch.; Rump, M.; Sarantsev, A.; Savrié, M.; Schelhaas, Y.; Schnier, C.; Schoenning, K.; Shan, D.C.; Shan, W.; Shan, X.Y.; Shao, M.; Shen, C.P.; Shen, P.X.; Shen, X.Y.; Shi, H.C.; Shi, R.S.; Shi, X.; Shi, X.D.; Song, J.J.; Song, Q.Q.; Song, W.M.; Song, Y.X.; Sosio, S.; Spataro, S.; Sui, F.F.; Sun, G.X.; Sun, J.F.; Sun, L.; Sun, S.S.; Sun, T.; Sun, W.Y.; Sun, Y.J.; Sun, Y.K.; Sun, Y.Z.; Sun, Z.T.; Tan, Y.H.; Tan, Y.X.; Tang, C.J.; Tang, G.Y.; Tang, J.; Thoren, V.; Tsednee, B.; Uman, I.; Wang, B.; Wang, B.L.; 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doi:10.1016/j.physletb.2022.137187
Measurement of the Cross Sections at Center-of-mass Energies From 2.3864 to 3.0200 GeV

M. Ablikim (Institute of High Energy Physics, Beijing, People's Republic of China) ; M.N. Achasov (G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk, Russia) ; P. Adlarson (Uppsala University, Uppsala, Sweden) ; S. Ahmed (Helmholtz Institute Mainz, Mainz, Germany) ; M. Albrecht (Bochum Ruhr-University, Bochum, Germany) ; et al. - Show all 491 authors
The Born cross sections of $e^{+} e^{-} \to Σ^{0} {\bar{Σ}}^{0}$ are measured at center-of-mass energies from 2.3864 to 3.0200 GeV using data samples with an integrated luminosity of 328.5 pb$^{−1}$ collected with the BESIII detector operating at the BEPCII collider. The analysis makes use of a novel reconstruction method for energies near production threshold, while a single-tag method is employed at other center-of-mass energies. The measured cross sections are consistent with earlier results from BaBar, with a substantially improved precision. The cross-section lineshape can be well described by a perturbative QCD-driven energy function. In addition, the effective form factors of the $Σ^{0}$ baryon are determined. The results provide precise experimental input for testing various theoretical predictions.
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        {
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        {
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        {
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    {
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        {
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    {
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        {
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        {
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        {
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        {
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    {
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        {
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        {
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    {
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        {
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    {
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        {
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    {
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        {
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        {
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    {
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        {
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    {
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        {
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        {
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    {
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        {
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    {
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        {
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    {
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        {
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    {
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        {
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        {
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        {
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    {
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    {
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    {
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    {
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    {
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    {
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    {
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    {
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    {
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        {
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    {
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        {
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        {
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    {
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        {
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    {
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    {
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        {
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    {
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        {
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    {
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        {
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        {
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    {
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    {
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        {
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        {
          "country": "China", 
          "value": "University of Science and Technology of China, Hefei, People's Republic of China"
        }, 
        {
          "country": "China", 
          "value": "State Key Laboratory of Particle Detection and Electronics, Hefei, People's Republic of China"
        }
      ], 
      "surname": "Zhu", 
      "given_names": "Y.C.", 
      "full_name": "Zhu, Y.C."
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          "country": "China", 
          "value": "Institute of High Energy Physics, Beijing, People's Republic of China"
        }, 
        {
          "country": "China", 
          "value": "University of Chinese Academy of Sciences, Beijing, People's Republic of China"
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      ], 
      "surname": "Zhu", 
      "given_names": "Z.A.", 
      "full_name": "Zhu, Z.A."
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          "value": "Institute of High Energy Physics, Beijing, People's Republic of China"
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      "surname": "Zou", 
      "given_names": "B.S.", 
      "full_name": "Zou, B.S."
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      "affiliations": [
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          "value": "Institute of High Energy Physics, Beijing, People's Republic of China"
        }
      ], 
      "surname": "Zou", 
      "given_names": "J.H.", 
      "full_name": "Zou, J.H."
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  "titles": [
    {
      "source": "Elsevier", 
      "title": "Measurement of the Cross Sections at Center-of-mass Energies From 2.3864 to 3.0200 GeV"
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  "license": [
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      "url": "http://creativecommons.org/licenses/by/3.0/", 
      "license": "CC-BY-3.0"
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  "copyright": [
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      "statement": "The Author(s)", 
      "year": "2022"
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  "abstracts": [
    {
      "source": "Elsevier", 
      "value": "The Born cross sections of <math><msup><mrow><mi>e</mi></mrow><mrow><mo>+</mo></mrow></msup><msup><mrow><mi>e</mi></mrow><mrow><mo>\u2212</mo></mrow></msup><mo>\u2192</mo><msup><mrow><mi>\u03a3</mi></mrow><mrow><mn>0</mn></mrow></msup><msup><mrow><mover><mrow><mi>\u03a3</mi></mrow><mrow><mo>\u00af</mo></mrow></mover></mrow><mrow><mn>0</mn></mrow></msup></math> are measured at center-of-mass energies from 2.3864 to 3.0200 GeV using data samples with an integrated luminosity of 328.5 pb$^{\u22121}$ collected with the BESIII detector operating at the BEPCII collider. The analysis makes use of a novel reconstruction method for energies near production threshold, while a single-tag method is employed at other center-of-mass energies. The measured cross sections are consistent with earlier results from BaBar, with a substantially improved precision. The cross-section lineshape can be well described by a perturbative QCD-driven energy function. In addition, the effective form factors of the <math><msup><mrow><mi>\u03a3</mi></mrow><mrow><mn>0</mn></mrow></msup></math> baryon are determined. The results provide precise experimental input for testing various theoretical predictions."
    }
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      "date": "2022-05-20", 
      "publisher": "Elsevier"
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}
Published on:: 20 May 2022
Publisher:: Elsevier
Published in:: Physics Letters B , Volume 831 C (2022)

Article ID: 137187
DOI:: https://doi.org/10.1016/j.physletb.2022.137187
Copyrights:: The Author(s)
Licence:: CC-BY-3.0
Fulltext files: